Humanity's search for signs of extraterrestrial life has largely focused on scanning the sky for radio signals. But if alien technological progress is anything like ours, ET might have already gone digital.
Astronomer Frank Drake, the man behind that project, received top honors at a banquet gala Saturday at the SETIcon convention here about the search for extraterrestrial intelligence.
The Stephen Hawking aliens alert strikes one European scientist as premature. But speculation about extraterrestrial life is not new. It goes back to Greek philosopher Epicurus.